26856394320 has 120 divisors (see below), whose sum is σ = 96847488864. Its totient is φ = 6138601728.

The previous prime is 26856394307. The next prime is 26856394321. The reversal of 26856394320 is 2349365862.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 26856394320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26856394321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1130094 + ... + 1153613.

Almost surely, 2^26856394320 is an apocalyptic number.

26856394320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26856394320 is an abundant number, since it is smaller than the sum of its proper divisors (69991094544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26856394320 is a wasteful number, since it uses less digits than its factorization.

26856394320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283737 (or 2283724 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 26856394320 in words is "twenty-six billion, eight hundred fifty-six million, three hundred ninety-four thousand, three hundred twenty".